Respiratory symptoms |
Work-related cough/wheeze/sob/chest tightness | +4 |
Stopping for breath when walking at own pace on level ground | +6 |
Previous time off work with any chest illness | +7 |
Constitutional symptoms |
Recurrent flu-like symptoms worse at the end of the working week | +5 |
Unexplained weight loss | +7 |
Physiology |
FVC <80% predicted | +3 |
FVC <70% predicted or Tlco <80% predicted | +5 |
Tlco <60% predicted | +10 |
Radiology/clinical examination |
Abnormal CXR (diffuse ground glass or nodularity) | +6 |
Abnormal HRCT (ground glass, nodularity, mosaic, or UIP fibrosis) | +7 |
Fine end-inspiratory crepitations on auscultation | +7 |
Evidence of inflammation |
Neutrophilia >7 or CRP ≥10 | +5 |
BAL lymphocytosis ≥20% | +8 |
Lung biopsy typical of EAA (sub-acute EAA or UIP) | +10 |
Total (max 41) | /41 |